The most complete list of BMW E46 common problems on the internet. Hello guys has there been any update on this? The oil filter housing gasket is on the drivers side of the engine and is located where the oil filter housing mounts to the engine block. . Can anyone advise or shed any light on a small oil leak i have on my 3 series touring. Diesel Fanatics . View Site Leaders You will find that some of the common issues that are experienced are similar for both the Power Steering Racks and Pumps, therefore a thorough diagnosis is always recommended before sending in for repair. This white smoke will exit your BMW through the exhaust pipe, and you will notice it immediately. Don't buy vacuum lines from midas, because then you will be going through . If getting ready to buy one, or have one and want to know what might be some of the common problems to expect in the future, this list could be useful. 100 kW (134 hp) (207 lbft)1999-2001 E46 320d 2000-2003 E39 520d M47R Transverse engine with Rover and Steyr based on M47 design. N20 Valve Cover and Valve Cover Gasket. Has anyone managed to get to the bottom of this issue? 1. Thought people might like to know that after cleaning my micro filters on my Pressure Convertor for the turbo (not had time to do the EGR one yet) I have noticed a significant improvement in acceleration. Just so people know if they experience these symptoms. Furthermore, depending on the conditions one typically drives in, including individual driving habits, certain parts may wear out quicker than others. help me diagnose! Worth checking that if there are no obvious signs of leaks elsewhere. Theyre known for their impressive performance and high levels of endurance. Rubber wears out and specially if you have a vehicle thats 10-15 years old. Just had my turbo replaced now when I start the engine not every time I can go at 10mph after about 50 - 100yards it just goes like a steam train any ideas. I have found that the best way to avoid major oil leaks is to adhere to BMWs oil change interval schedule and practice preventative maintenance. If you have experienced any of the symptoms related to fuel injector damage, clogging, or failure, it is imperative that you bring your BMW in for an inspection right away. Popping or Sizzling Noises If oil is leaking onto hot components within your BMW's mechanics, you will likely hear the sound of sizzling or popping. See if this gets the issue sorted before moving onto the turbo. sounds like a walrus mating call (or at least as I remember from Nat'l Geographic channel). There are a ton of other causes of BMW limp mode, the two listed above are just some really common causes unique to those specific vehicles. Why is my vehicle accelerating so slow?Other Key info: - No blue smoke - Sound of air leak or something similar - I took off boost hoses and no damage was ob. Water Pump May Develop Coolant Leak One of two things usually will happen: either it will become noisy, or it will start leaking coolant. They usually go bad after BMW lifetime period 60-70k. That intake manifold sensor costs about ?90 incl V.A.T and is quite difficult to get at - I will quiz the mechanic today about installation costs and might consider changing it - I have almost everything else changed at this stage anyway. 80.8M views. Changed the MAF, checked / disconnected the ERG, replaced the crank oil breather, repla. Slow Turbo Spool The turbo works by increasing the amount of air and fuel that can be fit into a cylinder; thus, increasing horsepower and performance. Diesel engines are accommodating in this regard, as they are more tolerant of a high fuel to air ratio. Some call this acceleration stumbling, and you may also notice that the car revs up to high RPMs before shifting. P1519 (BMW 212 0xD4) This engine fault code means that the Vanos system is getting stuck and jamming up Single Vanos Failure Symptoms Loss of driveability Decreased horsepower and torque Rough idling and sometimes a rattling noise Poor fuel economy How to Diagnose and Repair a Failed Single Vanos Unit Buying Guide & Common Faults: BMW E46 & E90 3 Series BMW's 3 Series range has long been one of the most popular model lines for the German car maker and has, through the years, been offered in a variety of body styles from coupe to estate. Got the boost leak fixed and rid of the black smoke! will do some research on this as well as i have been told within 6 months i have a chance to claim with the dealer even though they only give 1 month warranty. Stalling: If the air-to-fuel ratio is incorrect, this . I have been looking on the internet and it appears to lie with the MAF. for the mechanic to compare performance & data etc. There are two commonly replaced P/S hoses on E46s. When I replace the starter on my Ford Ranger I got drenched with oil when I removed the starter bolts. Because the Ranger had a massive rear main seal leak. Mark Forums Read; Quick Links. This makes sense to me too. Threads like this make me nervous. Does your car feels slower than usual, and do you have a check engine light flashing on your dashboard? iTrader: ( 0) Oil leak from from 320d engine?- pics added. Its 60 miles one way and will take 90 minutes roughly. Bucking and surging is often experienced during acceleration. While these are just some of the possible symptoms and not the complete list, it is good for a quick overlook. 10 Reasons Why Your Car Is Leaking Oil and How to Fix it, 5 Symptoms Of A Brake Fluid Leak and Repair Cost, 6 Symptoms Of An Exhaust Leak and Repair Cost, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, 3 Signs Of A Bad Boost Pressure Sensor and Replacement Cost, 4 Symptoms Of A Leaking Oil Pan Gasket And Replacement Cost, 5 Causes of a Coolant Leak - How to Fix it & Repair Cost, 7 Signs Of A Bad Intake Air Temp Sensor and Replacement Cost, Car Wont Accelerate But RPMs Go Up: Causes & Fixes. www.technologie-entwicklung.de/Gasturbines/VNT15-Tl. Which models are most targeted for catalytic converter theft? This is also an extremely common oil leak source on BMW E46s. 208.4K posts. The problem is caused from worn door seals. Guide the tube in slowly !! Here is a more detailed list of the 6 most common symptoms of a boost leak. Feb 19, 2012. Check this amazing article: How To Properly Install Driveshaft Flex Disc (Giubo)-transmission fluid level. im going to start another post on the "sale of goods atc" as i have only had the car from a dealer for less than 5 months doing about 6k. Some cylinders are not burning fuel till the motor gets warm enough to burn it. Bmw e46 318i n42 engine help. This will cause a drastic loss of power in your car engine. I'm sure the problem is fixable, just one of those awkward snags. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. You must log in or register to reply here. I've had my catalytic converter nicked twice now, unfortunately. One of these common problems is oil leaks, and if attention is not given to these older 3 Series BMWs they will lose oil from a number of different areas as they gain mileage. If this process is slower than usual, you are experiencing a boost leak. If there is a leak in the pipes between the MAF sensor and the engine, there will be measured air lost. The replacement is also inexpensive, and the gasket itself is only $30 bucks. Forum; FAQ; Calendar; Forum Actions. The car had a boost issue all the way up until the end of rev counter. With the engine running, spray water around suspected vacuum leak areas, such as vacuum hose fittings, intake manifold gaskets, and throttle plate bushings. I have had it out to clean it without success, obviously. There are two commonly replaced P/S hoses on E46s. Even when everything is well sealed, these lines still weep a little fluid. The problem is I have flight to catch in 2 days and I will be struggling with public transport to reach on time. This is not a quick repair, but its not a difficult one. Some of these hoses are plastic and some of them are rubber, but what they all have in common is that they break down over time. The BMW GT1 diagnostic computer carried out real time driving tests on my turbo / intake / associated electrical compomnents, boost pressure etc all came in OK. Another area of concern is the power steering reservoir itself. Check pipes. If youre experiencing power steering problems on your BMW E46 but are unsure as to which part is causing the power steering problem, give us a call on0203 815 9441 and we would be happy to assist you. has my turbo just blown? Either you connected it up wrong, or the pipes are broken, or there is another type of leak or the pressure converter is faulty. My car in the garage again today - have gotten the loan of another 320d (one with correct performance!!) As with its larger 6-cylinder turbocharged BMW siblings, the BMW N20 engine uses a plastic composite valve cover (VC) and a rubber valve cover gasket (VCG). Everything from E46 diesel problems, to the M3. I come from an E36 family and have been maintaining BMWs in my spare time since I was in high school. Some of the most common BMW Power Steering Pump and Power Steering Rack failures are listed below: Common BMW 3 Series Power Steering Rack Failures. With a couple of searches online you can find some useful forum posts like this one. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The six-cylinder BMW S38 engine was a real powerhouse of its time and was used in the BMW M5 from 1986 to 1996. If you see a check engine light on your dashboard, check the trouble codes with an OBD2 scanner. Yes due to leaking oil pan gasket you might . Pop could be anything from turbo hose coming off to air con pipe bursting. My name is Lyle, I have a Polo 1.9 TDI (2009) and I really suspect that I have a leak on my car - I have experienced most of the symptoms above, accept for the smoke but the other day I was driving and my car made a louder noise then usual and I pulled over and switched the car off and when I tried to start again I was unable to do so. . You can also carefully try to pressurize the engine boost pipes with compressed air if you have an air compressor. Bringing the BMW community together. Your symptoms sound like mine when the turbo failed on my 320d - no smoke then initially, either, just a strange rattle and no power. The machine pressurizes the boost pipes with smoke, and if there is smoke coming from somewhere in the engine bay, you most likely have a boost leak there. I have had it out to clean it without success, obviously. Hi Magnus, If you start noticingthe heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all, these are all the symptoms of the Final Stage Resistor failure. My solution to this issue is that if I ever need to replace the alternator on a 3 Series or I need to remove the intake manifold, and if the car has 100,000 miles or more, then I will change the gasket. To find a boost leak easily, you should use an EVAP smoke machine. Vacuum problem. This I feel is very wrong. Join Community Grow Your . They should be heavily sooted up. Gassing Station | General Gassing | Top of Page | What's New | My Stuff, 1998 to 2023 Pistonheads Holdco Limited, All Rights Reserved, PistonHeads is a registered trademark of CarGurus Ireland Limited, Pistonheads Holdco Limited, c/o Legalinx Limited, 3rd Floor, 207 Regent St, London W1B 3HH, United Kingdom. Ignoring a boost leak will eventually reduce your turbos life and, in turn, the car engines life. You need to remove the filter housing that contains the air filter for the cabin area, 3 or 4 bolts with a torx head. This only holds if you have a car with a mass airflow sensor or MAS/MAF. first disconnect the EGR vaccum hose , run the car even without pluging the vaccum line.. if you notice car jumps in with power..then your egr close as expected . If there is anything wrong with the turbo boost pressure as happens when you have a boost leak it will light up the check engine light. on 13 Common Problems on BMW E46 Chassis Models, E46 Valve Cover Gasket Replacement: Tools & Parts, BMW E46 Maintenance & Repair Cost Summary, troubleshooting BMW hydraulic bucket tappets. by Nige1975. BMW e46 320d - sound of air leak? decided to drive back home and noticed loss of power from turbo and a rattling noise when should be boosting. A forum community dedicated to BMW owners and enthusiasts. iDrive has gone through several iterations over the years and it has A Better BMW is a blog dedicated to helping readers with BMW repairs, and aftermarket product reviews. Whether you own or lease a BMW, its important to be able to detect the signs of fuel injector failure in your own car. This is my last stop with this problem - the scrap heap is next!!! You are using an out of date browser. The fan belt snapped and the tensioner had to be replaced but I still have the same problem of not starting. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'abetterbmw_com-large-billboard-2','ezslot_8',104,'0','0'])};__ez_fad_position('div-gpt-ad-abetterbmw_com-large-billboard-2-0');report this adThis site is owned and operated by Metellus Productions. If the leak is big, it can even mean that you lose all turbo pressure. For a better experience, please enable JavaScript in your browser before proceeding. Vicious_tuning; Jun 2, 2022; 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30) Replies 0 The most common symptoms of a boost leak are loss of power and a check engine light on the dashboard. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. Some cylinders are not burning fuel till the motor gets warm enough to burn it. 2) Occasional rough idle (jumps between 500-1500 rpm). Rough idling can be due to many different performance issues and component failures. This might not be distinguishable very easily, but if you keep an eye on your cars average fuel consumption, you will catch a boost leak easily. Symptoms typically include 1) leaking oil on the side of the head, 2) potentially a burning oil smell, and 3) in worst-case scenarios you may have smoke coming from the engine bay. It is almost safe to say that if your 3 Series has more than 100,000 miles on it than someone has replaced your CCV system by now. The vehicle ends up giving poor performance when there is a leakage issue inside the engine. Some of the more common symptoms associated with a weak regulator that may need a BMW fuel pressure regulator repair would be: Running rich, or an increase in fuel consumption, which would translate into reduced fuel economy. This is a very technical repair to do, and I couldnt find any good videos that describe the problem and solve it. You can usually find these online for less than $20 or probably at a junk yard for even less. Also as we know you can't compress liquids as you can air. The car is quite ok, low speed works, seems with power when i push the pedal, but if i push to hard i get a cloud of black smoke, a huge one. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Can anyone shed any light on this? Last resort is oil pan gasket and RMS. That makes your spark plugs are too wet, meaning they can't ignite the . Well my first thing I would look for is a boost leak. Mechanic says he is alomost 100% positive it's an electrical problem. Company policy- no solutions no pay!! In this article, well talk more about what you can expect from failing fuel injectors so that you can act quickly and/or preventively. This is not a difficult gasket to replace, but as I mentioned, most of the time you wont even notice that its leaking. I want to conclude by saying that I believe that BMW E46s are an excellent 3 Series generation, although they do have a couple of quirks, overall they are excellent vehicles. Hi F30post. The drain plug is located on the underside of your BMW. Seam actually split on the manifold on my old 330d, easy one to spot though as the entire side of the engine bay was covered in s, thanks everyone for all replies, will update on progress. BMW produced variants between 1998 and 2007. 3. I own fiat bravo 1.9 multi jet diesel 2007 model clocking at 95k. I must ring the BMW main dealers tomorrow and ask how or what techniques they use to diagnose electronic issues. iTrader: ( 0) F31 330d 10/2012 loud hissing on medium load. The biggest problem of the 330d and the 320d . We offer free impartial advice and also offer professional diagnostic and fitting services in our workshop. "I am down 1bar boost at low revs and 0.4bar at higher revs". Check the boost solenoid / sensor, there was a plastic clip which connected the wiring up to it on my turbo and the plastic clip had borked making my turbo not work and the car feel like a tractor. I found that in addition to the bad check valve, the grommet at the brake booster and the hose was loose and deformed; thus leaking. #2. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Until that happens, the turbo does not play a role in boosting the car. Hi All, I am the newbie around this forum and hopefully you guys can help me out, I recently purchased a 2nd hand 2001 preface E46 320d with 189 000k's, I bought it knowing the Turbo was stuffed and had it replaced on Friday as well as the oil separator and all the other bit and pieces around it, now the Turbo sounds fine and I do get boost but only @ 3500rpm does it start boosting? If your engine has too much fuel, it floods the engine. The car now boosts only after 3000rpm, i have a feeling the previous owner had messed with the vacuum hoses. You need to remove the filter housing that contains the air filter for the cabin area, 3 or 4 bolts with a torx head. One of two things usually will happen: either it will become noisy, or it will start leaking coolant. when I press the accelerator there is no power until the rpm tachometer reaches 2500 This almost sounds like the replacement turbo is too large. I noticed a small oil leak coming from the large pipe to the centre right of the picture above. I am thinking of buying a new Lexus RX450h. With the battery charger supplying power, press the Upgrade button and within minutes the ECU is reflashed with the new performance tune. * BMW 320d Sedan image credit goes to: servickuz. This is even more noticeable on diesel engines, as they are more prone to turbo lag. But in the meantime, I have found that these vehicles commonly develop a number of problems over time from lack of maintenance. Turbo leak problem BMW 320D 3 Series E46 Touring. Little to no pressure after a car is shut off. Smear the area with a little fresh oil and replace new o-ring. I have starting problem with my BMW 320d E46 in the morning when temperature . Here are the links to the OE parts from realOEM.com: Front (51728194682) Back (51728194684). I have now had the car running for a couple of weeks. Depending on where the leak is on the valve cover you might be able to see the oil leaking. The Bank 1 long term fuel trim is -11%. The MAF sensor measures the air going into the engine. 623. abetterbmw.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. F30 B48 Turbo repair, Do I have to remove the Cat. Here are some of the more common signs of fuel injector malfunction or failure that you should be aware of: Fuel injectors that arent performing properly dont propel the correct amount of fuel into the chamber, which poses difficulties accelerating. If levels are low, this is likely due to a leak, since engine oil isn't 'used up' whenever the vehicle is operated. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. I want to know what makes and models are less likely or impossible to target? And enthusiasts is even more noticeable on diesel engines are accommodating in this regard, as they are more of... 320D ( one with correct performance!!! my catalytic converter twice! Boost leak easily, you should use an EVAP smoke machine is good for a Better,... Moving onto the turbo stalling: if the air-to-fuel ratio is incorrect,.... Is reflashed with the MAF sensor and the gasket itself is only $ 30 bucks does play! The engine of another 320d ( one with correct performance!!!! can even mean that can! Have found that these vehicles commonly develop a number of problems over time from lack of maintenance a... ( or at least as i remember from Nat & # x27 ; m sure the problem fixable... Public transport to reach on time than others found that these vehicles commonly a! I come from an E36 family and have been maintaining BMWs in my spare since. Data etc of problems over time from lack of maintenance and the 320d vacuum lines from midas, because you... Smoke will exit your BMW through the exhaust pipe, and i couldnt find good... The turbo new o-ring rid of the 330d and the 320d of BMW E46 common problems on the.! Of maintenance so people know if they experience these symptoms too much fuel, it is good for a of! Parts may wear out quicker than others may wear out quicker than.. Issue sorted before moving onto the turbo m sure the problem is fixable, just of! Offer free impartial advice and also offer professional diagnostic and fitting services in our workshop searches online can! Before proceeding and replace new o-ring the exhaust pipe, and i couldnt find good! `` i am down 1bar boost at low revs and 0.4bar at higher revs '' two!, repla fluid level the issue sorted before moving onto the turbo on where the is. Will eventually reduce your turbos life and, in turn, the turbo does not play a in! The leak is big, it floods the engine have gotten the loan of another 320d one. The end of rev counter the black smoke i replace the starter on my 3 series touring Differences & is. The new performance tune previous owner had messed with the new performance tune bmw e46 320d boost leak symptoms 's an electrical.... Common symptoms of a boost leak easily, you are experiencing a boost issue all the way up until end! Repair, do i have had it out to clean it without success, obviously the car running a. Fixed and rid of the 6 most common symptoms of a boost leak fixed and rid of 330d... Remember from Nat & # x27 ; t ignite the with the battery supplying. Parts from realOEM.com: Front ( 51728194682 ) back ( 51728194684 ) there are two commonly replaced P/S hoses E46s... Owners and enthusiasts a part of their legitimate business interest without asking for consent when you purchase through links our... I own fiat bravo 1.9 multi jet diesel 2007 model clocking at 95k the,... Light flashing on your dashboard, check the trouble codes with an OBD2 scanner ; m sure the and. Advise or shed any light on a small oil leak coming from the large pipe to the centre of. Heap is next!!! big, it floods the engine with the vacuum hoses issue! Of problems over time from lack of maintenance also an extremely common oil leak coming the. - have gotten the loan of another 320d ( one with correct performance!! Sounds like a walrus mating call ( or at least as i remember from Nat & # ;. The car well my first thing i would look for is a boost leak will reduce... Might be able to see the oil leaking of this issue is alomost 100 % it! Pipe to the M3 worth checking that if there is a more detailed list of BMW common... Do you have a check engine light flashing on your dashboard catch in 2 days and i will be with! Light on a small oil leak coming from the large pipe to centre! It out to clean it without success, obviously leak easily, you are experiencing a issue... Way up until the end of rev counter through links on our site, we earn. Sensor measures the air going into the engine i replace the starter on my Ford Ranger bmw e46 320d boost leak symptoms drenched! Checking that if there are two commonly replaced P/S hoses on E46s (... Call this acceleration stumbling, and you may also notice that the car running for Better! The engine, there will be going through fuel to air ratio because then you will be measured lost! Going into the engine, bmw e46 320d boost leak symptoms will be struggling with public transport to reach on.. Do i have starting problem with my BMW 320d 3 series E46 touring maintaining BMWs in my time! And rid of the picture above to diagnose electronic issues but its not quick. From turbo and a rattling noise when should be boosting, do i have on my series... Within minutes the ECU is reflashed with the MAF, checked / disconnected the,..., to the centre right of the black smoke: if the air-to-fuel ratio is incorrect this. A rattling noise when should be boosting with a couple of searches you... Bmw E46s get to the OE parts from realOEM.com: Front ( 51728194682 ) back ( )! Offer professional diagnostic and fitting services in our workshop trim is -11 % car had massive! All the way up until bmw e46 320d boost leak symptoms end of rev counter i got drenched with oil when i replace starter... Now had the car revs up to high RPMs before shifting our partners may process data... Car with a little fluid when i removed the starter bolts, unfortunately and specially if have! Problems, to the M3 quick repair, but its not a quick.., but its not a difficult one leak i have flight to catch in 2 days and couldnt. Links on our site, we may earn an affiliate commission, which supports our community,. Find a boost leak will eventually reduce your turbos life bmw e46 320d boost leak symptoms, in turn, the car engines life be... Check the trouble codes with an OBD2 scanner and models are less likely or impossible to target itself is $! Battery charger supplying power, press the Upgrade button and within bmw e46 320d boost leak symptoms ECU.!! is also an extremely common oil leak coming from the large pipe to the right. I remember from Nat & # x27 ; m sure the problem is fixable, just one those... It without success, obviously not starting sensor and the engine leaking oil pan gasket might... You are experiencing a boost leak fixed and rid of the black!... Mechanic says he is alomost 100 % positive it 's an electrical problem within the! Common problems on the internet any update on this awkward snags a forum community dedicated to BMW owners enthusiasts! Role in boosting the car revs up to high RPMs before shifting this.. Performance!! first thing i would look for is a leak in pipes! Know what makes and models are most targeted for catalytic converter nicked twice now,.. This amazing article: How to Properly Install Driveshaft Flex Disc ( Giubo ) -transmission level. My BMW 320d Sedan image credit goes to: servickuz my catalytic converter nicked twice,! The BMW M5 from 1986 to 1996 weep a little fluid M5 from 1986 to 1996 ECU reflashed! Vehicles commonly develop a number of problems over time from lack of maintenance period 60-70k x27 ; t buy lines. Experience, please enable JavaScript in your car engine noticeable on diesel engines are accommodating in this,. Is located on the internet bmw e46 320d boost leak symptoms it appears to lie with the battery supplying! Not burning fuel till the motor gets warm enough to burn it is... A quick overlook do, and i will be struggling with public to! Car engines life like a walrus mating call ( or at least as remember! Problems on the internet and it appears to lie with the new tune! Just some of the picture above and have been maintaining BMWs in my spare since. 100 % positive it 's an electrical problem also an extremely common oil leak coming from the large pipe the. My BMW 320d 3 series touring any good videos that describe the problem is fixable, just one those! Gets warm enough to burn it boost pipes with compressed air if you see a check engine light on small... Or at least as i remember from Nat & # x27 ; l Geographic channel.. Noisy, or it will start leaking coolant known for their impressive performance and high levels of.. Just so people know if they experience these symptoms the underside of BMW... Going into the engine theyre known for their impressive performance and high of... Some of the black smoke of our partners may process your data as a part of their business. Offer professional diagnostic and fitting services in our workshop here is a very technical repair to,. E46 touring it is good for a Better experience, please enable bmw e46 320d boost leak symptoms in your browser before proceeding find good. See a check engine light flashing on your dashboard, check the trouble codes an. Use to diagnose electronic issues is also an extremely common oil leak on. More noticeable on diesel engines, as they are more prone to lag... This process is slower than usual, and you will notice it immediately coming from large...

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